Re: [Mesa-dev] [PATCH 4/6] Add texstore functions for BPTC-compressed textures

2014-07-22 Thread Ilia Mirkin
On Tue, Jul 22, 2014 at 3:09 PM, Neil Roberts wrote: > This adds compressors for all four of the BPTC compressed-texture formats. For > the RGB and SRGB normalized BPTC textures it works by first compressing each > 4x4 block using the existing DXT3 compressor and then converting it to a BPTC > blo

[Mesa-dev] [PATCH 4/6] Add texstore functions for BPTC-compressed textures

2014-07-22 Thread Neil Roberts
This adds compressors for all four of the BPTC compressed-texture formats. For the RGB and SRGB normalized BPTC textures it works by first compressing each 4x4 block using the existing DXT3 compressor and then converting it to a BPTC block. The BPTC block loses one bit of information on the green c